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Powers 401-176 Stem Replacement Kit

Powers 401-176 Stem Replacement Kit

$69.59$34.80

BLADDER ACCUMULATOR REPAIR KIT 10GAL | 3K-5K PSI |  7/8“ STEM SAE#5 

BLADDER ACCUMULATOR REPAIR KIT 10GAL | 3K-5K PSI |  7/8“ STEM SAE#5 

$378.00$189.00

Projectile Motion Slingshot Kit - STEM Learning - Garage Physics by Eisco

Projectile Motion Slingshot Kit - STEM Learning - Garage Physics by Eisco

$82.99$41.49

BLADDER ACCUMULATOR REPAIR KIT 2.5GAL | 3K-5K PSI |  7/8“ STEM SAE#5

BLADDER ACCUMULATOR REPAIR KIT 2.5GAL | 3K-5K PSI |  7/8“ STEM SAE#5

$218.00$109.00

Ravensburger, Gravitrax, Marble Run Starter-Set 275977 STEM 8-99, Learning Toy!!

Ravensburger, Gravitrax, Marble Run Starter-Set 275977 STEM 8-99, Learning Toy!!

$16.99$8.49

Architectural Engineering STEM Experiment Kit Thames & Kosmos 625416

Architectural Engineering STEM Experiment Kit Thames & Kosmos 625416

$30.00$15.00

NEW Roominate Amusement Park Engineering STEM STEAM Building Toy Circuitry

NEW Roominate Amusement Park Engineering STEM STEAM Building Toy Circuitry

$19.95$9.97

STEM Skill Circuits YS2966. Logic Thinking Training Blocks Experiment 8+ NEW

STEM Skill Circuits YS2966. Logic Thinking Training Blocks Experiment 8+ NEW

$20.99$10.49

Motorised Box Dino Kids Toys Building 4M Kit Green Science Eco-Engineering STEM

Motorised Box Dino Kids Toys Building 4M Kit Green Science Eco-Engineering STEM

$9.99$5.00

Kikkerland Newton’s Lab Hydraulic Claw Robotics Engineering STEM educational kit

Kikkerland Newton’s Lab Hydraulic Claw Robotics Engineering STEM educational kit

$9.00$4.50

STEM Projects for Kids Ages 8-12 12-16, 6-In-1 Building Science STEM Kits for So

STEM Projects for Kids Ages 8-12 12-16, 6-In-1 Building Science STEM Kits for So

$37.99$19.00

Kiwi Co Build Your Own Record Racer Kit DIY STEM Craft Engineering Kit Teen Gift

Kiwi Co Build Your Own Record Racer Kit DIY STEM Craft Engineering Kit Teen Gift

$30.00$15.00

Rebuild Kit For Isuzu 3LD1 Engine For Eurocomach ES400ZT ES400 ES300 Excavator

Rebuild Kit For Isuzu 3LD1 Engine For Eurocomach ES400ZT ES400 ES300 Excavator

$322.05$161.03

ACCUMULATOR BLADDER REPAIR KIT 2.5GAL | 3K-5K PSI |  7/8“ STEM SAE#5 

ACCUMULATOR BLADDER REPAIR KIT 2.5GAL | 3K-5K PSI |  7/8“ STEM SAE#5 

$235.00$117.50

STEM Airplane Model Kit – 258-Piece Erector Set for Kids 8+, Metal Building Toy

STEM Airplane Model Kit – 258-Piece Erector Set for Kids 8+, Metal Building Toy

$49.99$25.00

Code+Control Dinosaur Robot REX Robotics & Engineering STEM Kit | Build & Pro...

Code+Control Dinosaur Robot REX Robotics & Engineering STEM Kit | Build & Pro...

$81.95$40.98

Creative Music Machine STEM Kit with Easy Assembly for Kids 8 Years and Up

Creative Music Machine STEM Kit with Easy Assembly for Kids 8 Years and Up

$94.99$47.49

Smithsonian Robo Spider STEM Science Technology Engineering Activity Kit DIY

Smithsonian Robo Spider STEM Science Technology Engineering Activity Kit DIY

$10.95$5.47

NEW!FULL SET Flower Bouquet 7 Stems Building Kit Botanical Collection 590 pieces

NEW!FULL SET Flower Bouquet 7 Stems Building Kit Botanical Collection 590 pieces

$16.49$8.24

Brickyard Construction Engineering Toy STEM Kit 101 Piece Educational NEW!!!

Brickyard Construction Engineering Toy STEM Kit 101 Piece Educational NEW!!!

$13.00$6.50

Smartivity Music Machine Mechanical Action Science Engineering Stem & Steam Kit

Smartivity Music Machine Mechanical Action Science Engineering Stem & Steam Kit

$17.49$8.74

4 in 1 STEM Kits for Kids Age 8-10, Science STEM Projects for Kids Age 8-12, 3D

4 in 1 STEM Kits for Kids Age 8-10, Science STEM Projects for Kids Age 8-12, 3D

$34.99$17.50

STEM kit Airplane Launcher Paper Airplane Engineering kit for Kids Ages 12-14

STEM kit Airplane Launcher Paper Airplane Engineering kit for Kids Ages 12-14

$37.53$18.77

Great Explorations STEM STEAM Learning System -Engineering Super Structures Kit

Great Explorations STEM STEAM Learning System -Engineering Super Structures Kit

$19.99$9.99

Jr. Engineer - HeliCopter | Junior Educational STEM Learning Construction Set

Jr. Engineer - HeliCopter | Junior Educational STEM Learning Construction Set

$9.99$5.00

STEM Kango Kids Creative Engineering Building Kit, Bolts, Gears 250 + Pieces

STEM Kango Kids Creative Engineering Building Kit, Bolts, Gears 250 + Pieces

$18.39$9.20

LAKESHORE STEM HYDRAULIC ENGINEERING KIT STEM - Appears Complete

LAKESHORE STEM HYDRAULIC ENGINEERING KIT STEM - Appears Complete

$32.99$16.50

Discovery Kids DNA Model Kit STEM

Discovery Kids DNA Model Kit STEM

$12.99$6.50

Complete Ultimate STEM Electronic Projects Starter Kit for Arduino with Mega2...

Complete Ultimate STEM Electronic Projects Starter Kit for Arduino with Mega2...

$199.74$99.87

51-in-1 STEM Kit Kids Toy for Boy Girl Teens Solar Robot FOR FUTURE ENGINEERS

51-in-1 STEM Kit Kids Toy for Boy Girl Teens Solar Robot FOR FUTURE ENGINEERS

$149.50$74.75

Bontrager BITS Integrated Tool Kit Bicycle Stem Stealth 9P 112-72mm Free Shipper

Bontrager BITS Integrated Tool Kit Bicycle Stem Stealth 9P 112-72mm Free Shipper

$97.06$48.53

Powers 410-378 Stem Replacement Kit

Powers 410-378 Stem Replacement Kit

$97.99$48.99

V8 Combustion Engine Model Kit That Runs - Build Your Own STEM Mini V8 Model Eng

V8 Combustion Engine Model Kit That Runs - Build Your Own STEM Mini V8 Model Eng

$93.14$46.57

Engino Inventor STEM Kit 50in1 AWARD WINNING Brain Building Toy Motorized *NEW

Engino Inventor STEM Kit 50in1 AWARD WINNING Brain Building Toy Motorized *NEW

$34.99$17.50

PicassoTiles STEM Learning Toys 100+ Piece Building Block Kids Construction Kit

PicassoTiles STEM Learning Toys 100+ Piece Building Block Kids Construction Kit

$9.99$5.00

Thames And Kosmos Big Engineering Makerspace STEM Experiment Kit PARTS replace

Thames And Kosmos Big Engineering Makerspace STEM Experiment Kit PARTS replace

$8.95$4.47

Stem Build Your Own Record Racer Kit Home Schooling DYI Engineering KiwiCo NIB

Stem Build Your Own Record Racer Kit Home Schooling DYI Engineering KiwiCo NIB

$12.00$6.00

Mobius Toys 12-in-1 Stem Kit Toy for Kids - 152 Piece Construction Building Set

Mobius Toys 12-in-1 Stem Kit Toy for Kids - 152 Piece Construction Building Set

$32.00$16.00

STEM Science Kits STEM Kits Kids Ages 8-10 Wood Building Crafts Kits for Boys 6-

STEM Science Kits STEM Kits Kids Ages 8-10 Wood Building Crafts Kits for Boys 6-

$44.15$22.07

5.7L Cylinder Head Cover Gasket Kit OEM Mopar 5114179AB

5.7L Cylinder Head Cover Gasket Kit OEM Mopar 5114179AB

$40.00$20.00

STEMNEX Amazing Steam Engine Train Model Kit, Kids Educational STEM Science Toy

STEMNEX Amazing Steam Engine Train Model Kit, Kids Educational STEM Science Toy

$55.90$27.95

Creative Learning STEM Kit by Joylabz - Engineering & Coding Fun for Kids

Creative Learning STEM Kit by Joylabz - Engineering & Coding Fun for Kids

$80.79$40.40

4M Hover Racer Science Kit - STEM

4M Hover Racer Science Kit - STEM

$14.99$7.50

Crunch Lab's TRAP DOOR MAZE Mark Rober - STEM Engineering Build Kit Open Box

Crunch Lab's TRAP DOOR MAZE Mark Rober - STEM Engineering Build Kit Open Box

$39.99$20.00

LEGO Gear Bots Kit-STEM Kinetic Model Building Set, 62 LEGO Pieces, Instructions

LEGO Gear Bots Kit-STEM Kinetic Model Building Set, 62 LEGO Pieces, Instructions

$18.99$9.49

Smartivity Music Machine; Mechanical Action, Science, Engineering STEM and ST...

Smartivity Music Machine; Mechanical Action, Science, Engineering STEM and ST...

$26.01$13.01

Lego Stem Kit Serious Play 2000431

Lego Stem Kit Serious Play 2000431

$550.00$275.00

Discover Electrical Engineering: Snap Circuit STEM Kit with App Integration

Discover Electrical Engineering: Snap Circuit STEM Kit with App Integration

$169.05$84.53

Electric Wooden Ferris Wheel STEM Kit with 12 Colors - Perfect Family Activity

Electric Wooden Ferris Wheel STEM Kit with 12 Colors - Perfect Family Activity

$25.19$12.60

T-rex Build A Skeleton. STEM

T-rex Build A Skeleton. STEM

$7.99$4.00

HANYE STEAM Build & Play 12 Models in One Stem Kit (152 Pieces)

HANYE STEAM Build & Play 12 Models in One Stem Kit (152 Pieces)

$40.00$20.00

Engineer Academy Maker Kit Science Book: Space, Planets, Constellations, STEM

Engineer Academy Maker Kit Science Book: Space, Planets, Constellations, STEM

$10.97$5.49

Build Your Own Miniature Catapult Kit - STEM Learning - Garage Physics by Eisco

Build Your Own Miniature Catapult Kit - STEM Learning - Garage Physics by Eisco

$18.99$9.49

Dakott STEM Mechanical Engineering Building ToyMecha Robot Building Blocks Ta...

Dakott STEM Mechanical Engineering Building ToyMecha Robot Building Blocks Ta...

$28.20$14.10

Fort Building Kit For Kids - STEM

Fort Building Kit For Kids - STEM

$30.00$15.00

FULL SET Flower Bouquet 7 Stems Building Kit Botanical Collection 590 pieces

FULL SET Flower Bouquet 7 Stems Building Kit Botanical Collection 590 pieces

$21.49$10.74

NEW Vroom! STEM V8 Model Combustion Engine Robotics Kit - OWI39102

NEW Vroom! STEM V8 Model Combustion Engine Robotics Kit - OWI39102

$30.00$15.00

Discovery Kids 1:32 Toy Model Engine Science Kit STEM

Discovery Kids 1:32 Toy Model Engine Science Kit STEM

$16.00$8.00

Poraxy 4 in 1 STEM Kits for Kids Age 8-10, Science STEM Projects for Kids 8-12,

Poraxy 4 in 1 STEM Kits for Kids Age 8-10, Science STEM Projects for Kids 8-12,

$27.64$13.82

STEM Projects for Kids Ages 8-12, Solar Robot 12 in 1 Science Kits Building Toys

STEM Projects for Kids Ages 8-12, Solar Robot 12 in 1 Science Kits Building Toys

$14.99$7.50

STEM Modern Engineer Construction Set 2-In-1 Mechanical Drive 361 PCS New Sealed

STEM Modern Engineer Construction Set 2-In-1 Mechanical Drive 361 PCS New Sealed

$13.12$6.56

Rani Prize STEM Kit 5 in 1 Learning Toys for Kids 6+ Yrs Original Young Engineer

Rani Prize STEM Kit 5 in 1 Learning Toys for Kids 6+ Yrs Original Young Engineer

$14.99$7.50

Repair Kit (Stem & Disc Assembly+Spring+Gasket) for UNIPRESS Vacuum Valve 17500

Repair Kit (Stem & Disc Assembly+Spring+Gasket) for UNIPRESS Vacuum Valve 17500

$34.50$17.25

Eco-Engineering Solar Robot STEM Kit Project, New Without Box Sealed Parts Only

Eco-Engineering Solar Robot STEM Kit Project, New Without Box Sealed Parts Only

$6.00$3.00

Thames & Kosmos Kids First Amusement Park Engineer STEM Kit Parents Choice Award

Thames & Kosmos Kids First Amusement Park Engineer STEM Kit Parents Choice Award

$39.97$19.98

STEM Building Toys Kits DISCOVERY KIDS Bionic Robotic Hand Model Set Science 8+

STEM Building Toys Kits DISCOVERY KIDS Bionic Robotic Hand Model Set Science 8+

$38.99$19.50

STEM Mechanics Levers Linkages Construction Kit Fun Science Educational Toy Kit

STEM Mechanics Levers Linkages Construction Kit Fun Science Educational Toy Kit

$16.81$8.40

STEM Kit Leonardo Da Vinci Catapult Kit Trebuchet Engineering Kit Educational To

STEM Kit Leonardo Da Vinci Catapult Kit Trebuchet Engineering Kit Educational To

$37.00$18.50

Kiwi Co Civil Engineer Starter Kit DIY STEM Craft Engineering Kit

Kiwi Co Civil Engineer Starter Kit DIY STEM Craft Engineering Kit

$25.00$12.50

STEM-Lucky Doug | DIY Metal Models Airplane Building Kit- 201 Pieces

STEM-Lucky Doug | DIY Metal Models Airplane Building Kit- 201 Pieces

$18.99$9.49

Learning Resources Cycle Gears Building Construction Set STEM Toy Model Activity

Learning Resources Cycle Gears Building Construction Set STEM Toy Model Activity

$16.97$8.48

Crunch Labs Mark Rober Magnus Gyroscope Walker STEM Engineering Kit Ages 8+

Crunch Labs Mark Rober Magnus Gyroscope Walker STEM Engineering Kit Ages 8+

$44.99$22.50

Smithsonian Jet Works STEM Science Build Your Own Jet Engine Model Kit 49081 NIB

Smithsonian Jet Works STEM Science Build Your Own Jet Engine Model Kit 49081 NIB

$55.00$27.50

Mobius Toys 260 Piece Stem Learning Toys Kids Construction Engineering Kit Build

Mobius Toys 260 Piece Stem Learning Toys Kids Construction Engineering Kit Build

$55.16$27.58

Thames & Kosmos Engineering Makerspace Terrain Walkers STEM Experiment Kit Model

Thames & Kosmos Engineering Makerspace Terrain Walkers STEM Experiment Kit Model

$19.99$9.99

Butterfly Edufields 100+ STEM Engineering Project Kit for Girls ( Learning Toy )

Butterfly Edufields 100+ STEM Engineering Project Kit for Girls ( Learning Toy )

$39.00$19.50

Intake Exhaust Valve Retainer Spring Stem Seal Kit For Honda GX160 GX200 Engine

Intake Exhaust Valve Retainer Spring Stem Seal Kit For Honda GX160 GX200 Engine

$10.44$5.22

RC Building Blocks Tank Green Engineering Educational STEM Gift,Cars Kit 453 PCS

RC Building Blocks Tank Green Engineering Educational STEM Gift,Cars Kit 453 PCS

$24.99$12.49

HEXBUG VEX Robotics Science Technology STEM Starter Kit Set Unused Complete

HEXBUG VEX Robotics Science Technology STEM Starter Kit Set Unused Complete

$29.99$14.99

VEVOR Fort Building Kit for Kids STEM 85/140/120/180PCS Construction Toy Gifts

VEVOR Fort Building Kit for Kids STEM 85/140/120/180PCS Construction Toy Gifts

$27.99$13.99

Stem Outdoors Experiment Kit

Stem Outdoors Experiment Kit

$10.00$5.00

Crunch Labs by Mark Rober Galton's Goalie STEM Engineering Build Kit Ages 8+

Crunch Labs by Mark Rober Galton's Goalie STEM Engineering Build Kit Ages 8+

$44.99$22.50

STEM Light Trap Flying Insects Starter Kit

STEM Light Trap Flying Insects Starter Kit

$13.95$6.97

Contixo 223pc Stem Toys Kit Educational, Construction Engineering Building Block

Contixo 223pc Stem Toys Kit Educational, Construction Engineering Building Block

$32.98$16.49

STEM Wind Power V4.0 Kit: Build a 3ft Wind Turbine, Explore Renewable Energy

STEM Wind Power V4.0 Kit: Build a 3ft Wind Turbine, Explore Renewable Energy

$77.88$38.94

Smartivity Music Machine Mechanical Action Science Engineering Stem & Steam Kit

Smartivity Music Machine Mechanical Action Science Engineering Stem & Steam Kit

$34.99$17.50

Erector by Meccano Supercar 25-in-1 Stem Building Kit Engineering & Robotics

Erector by Meccano Supercar 25-in-1 Stem Building Kit Engineering & Robotics

$27.99$13.99

IQ Key Perfect 600 STEM Building Kit

IQ Key Perfect 600 STEM Building Kit

$30.00$15.00

Tinkering Labs Electric Motors Catalyst STEM Kit with Many pieces Robotic stem

Tinkering Labs Electric Motors Catalyst STEM Kit with Many pieces Robotic stem

$17.00$8.50

STEM & STEAM Complete 135 Pcs Fort Building Kit

STEM & STEAM Complete 135 Pcs Fort Building Kit

$45.00$22.50

Kids Building Kit Stem Toys 110 Pcs Educational Construction Engineering Buildin

Kids Building Kit Stem Toys 110 Pcs Educational Construction Engineering Buildin

$37.27$18.64

Butterfly Edufields 20+ STEM Robotics Science Kits for Kids Age 8-12 8-10 | S...

Butterfly Edufields 20+ STEM Robotics Science Kits for Kids Age 8-12 8-10 | S...

$44.87$22.43

STEM Kit Solar Robot 12 in 1 Science Experiment Kit Building Engineering -No Box

STEM Kit Solar Robot 12 in 1 Science Experiment Kit Building Engineering -No Box

$12.87$6.43

Stem Building Toys for Boys Building Sets Remote Control RC Truck 2 in 1 Stem

Stem Building Toys for Boys Building Sets Remote Control RC Truck 2 in 1 Stem

$29.95$14.97

STEM kit Leonardo Da Vinci Catapult kit Trebuchet Engineering kit Educational

STEM kit Leonardo Da Vinci Catapult kit Trebuchet Engineering kit Educational

$41.58$20.79

ZOMPERS STEM DIY 1:18 SCALE RC BUILD KIT 2.4G : ENGINEERING KIT - GREEN BUGGY

ZOMPERS STEM DIY 1:18 SCALE RC BUILD KIT 2.4G : ENGINEERING KIT - GREEN BUGGY

$29.99$14.99

Thames Kosmos Structural Engineering Bridges & Skyscrapers Stem Engineering Kit

Thames Kosmos Structural Engineering Bridges & Skyscrapers Stem Engineering Kit

$29.99$14.99

Engine Building Kit, Kids Mechanic Toys for Motorcycle Engine Toy, STEM Engine

Engine Building Kit, Kids Mechanic Toys for Motorcycle Engine Toy, STEM Engine

$41.21$20.61

STEM Science Kits for Kids Age 8-12, Build Your Own Bluetooth Speaker - Teen...

STEM Science Kits for Kids Age 8-12, Build Your Own Bluetooth Speaker - Teen...

$29.21$14.61

25-in-1 STEM Kit Kids Toy for Boy Girl Teens Solar Robot FOR FUTURE ENGINEERS

25-in-1 STEM Kit Kids Toy for Boy Girl Teens Solar Robot FOR FUTURE ENGINEERS

$149.50$74.75